package controller;


import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.LayData;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {

    @Autowired
    private UserService userService;
@RequestMapping("/tolist")
public String toList(){
    return "asyncuser/list";
}

    @RequestMapping("/list")
    @ResponseBody
    public String list(User user, @RequestParam( value="page",defaultValue="1")Integer currentPage,
                       @RequestParam( value="limit",defaultValue="10") Integer pageSize, Model model){
        //查询数据
        int totalCount = userService.count(user);

        //计算偏移量
        int offset = (currentPage-1)*pageSize;
        List<User> users = userService.findAll(user, offset, pageSize);
        LayData layData = new LayData(0, "success", totalCount, users);

        return JSON.toJSONString(layData);
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "asyncuser/add";
    }

    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(User user){
        int result = userService.addUser(user);
        if (result>0){
            return JSON.toJSONString(new LayData(0, "success"));
        }else {
            return JSON.toJSONString(new LayData(500, "error"));
        }
    }

    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String delete(@PathVariable("id") Integer id){
        int result = userService.deleteUserById(id);
        if (result>0){
            return JSON.toJSONString(new LayData(0, "success"));
        }else {
            return JSON.toJSONString(new LayData(500, "error"));
        }
    }

    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id,Model model){
        User user = userService.findById(id);
        model.addAttribute("user",user);
        return "asyncuser/update";

    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result>0){
            return JSON.toJSONString(new LayData(0, "success"));
        }else {
            return JSON.toJSONString(new LayData(500, "error"));
        }
    }

}
